I put a new motor (4.0 Inline six) in my 1993 grand cherokee. I started it and it was running at 1500 rpms and I could not get it to go down. The gas was in the gas tank that sat outside for about a year. After i had the jeep running for 30 mins, it cut off. I cant get it to start back up. Sometimes it will turn over for maybe a few seconds, but then shut off. I have checked all vacuum hoses and can't find any leaks. Any suggestions? Any sensors that could cause it to turn off when hot?
Sounds like a clogged fuel filter to me, maybe look into the TPS: throttle positioning sensor. Good luck
SOURCE: how to remove the ignition switch in a 1993 Jeep Cherokee?
The ignition switch or the key cylinder?
SOURCE: How to clear the diagnostic codes on my 1993 jeep cherokee?
To clear codes on these, you can disconnect the battery, then re-connect. The only code remaining will be one indicating battery power was interuppted. This will not work on 98 and newer vehicles.
SOURCE: 1993 jeep cherokee: no spark coming out of NEW
crankshaft position sensor is source of problem as this controls spark
SOURCE: How to replace spark plugs on 2000 jeep cherokee
TO REPLACE SPARK PLUGS YOU REMOVE COIL PACK MOUNTING BOLTS THEN REMOVE THE COIL PACK WITH BOOT OVER THE SPARK PLUG.YOU HAVE 6 INDIVIDUAL COIL PACK TO EACH CYLINDER. YOU NEED A 3/8 RATCHET WRENCH - LONG 3/8 EXTENSION -SPARK PLUG SOCKET - SPARK PLUG GAUGE.AND TORQUE WRENCH.THE 2000 MODEL JEEPS FUEL FILTER INSIDE THE TANK.1993 - 1996 MODEL JEEPS FUEL FILTER LOCATED LEFT SIDE OF THE VECHICLE NEAR THE FUEL TANK.
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